Discussion: Manipulate different parts of a map in different ways.

Hi! When I manipulate maps in ocad, I usually hides the symbols I wan't removed, and it works fine. Still, the symbols I hide, disappears all over the map. Does anybody know how to hide symbols in only a small part of the map?

Here is some examples: http://doma.haldensk.no/show_map.php?user=vcoupat&...

http://repreob.hyperlink.cz/repre/images/fra2010/1...

As you can see a part of the map is contour-o and another part is without contours, etc. Like a moment-o.
How can I make a course like that?

Thanks in advance.

Two ways I can think of:

* Duplicate the symbols you want to hide
* Change the objects you want to hide to the duplicate symbol
* Hide the duplicates.

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* Make a new colour, call it something random and make it white.
* Make an area symbol in that colour.
* Draw areas in the bits you want to obscure
* Play around with the ordering in the colour table so that the symbols you want are above the white, and the rest are below.

Thank you very much! I used the color method and it worked great!